In contrast to braided rivers, meandering rivers typically only contain
one channel that winds its way across the floodplain. As it flows, it deposits
sediment on banks that lie on the insides of curves (point bar deposits),
and erode the banks on the outside of curves.

Sacramento River, CA.

When the river floods, it deposits fine-grained material on the floodplain.
As the floodplain is a lot larger than the channel, deposits of meandering
river systems are dominated by fine-grained material; coarse-grained channel
deposits tend to be relatively minor.

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As the channel migrates, parts of it may become abandoned and left behind
as Oxbow Lakes. These lakes have a characteristic horseshoe shape that
mimics a river bend. They become sites for deposition of fine-grained
lake sediment.

Oxbow lake and the Chippewa River. Eau Claire, Wisconsin.

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Besides channels, a characteristic feature of river (fluvial) deposits
is cross-bedding.